.flex-center {
  display: flex;
  align-items: center;
}
.flex-centers {
  display: flex;
  align-items: center;
  justify-content: center;
}
.flex-column{
    display: flex;
    flex-direction: column;  
}
.flex-column-center {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.flex-column-centers {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
